May 2 (Reuters) - Coinbase Global ( COIN ) posted a

sizable jump in profit in the first-quarter, helped by an uptick

in cryptocurrency trading following the launch of the first U.S.

spot bitcoin exchange-traded funds in January.

The company on Thursday reported a net income of $1.2

billion in the three months ended March 31, compared with a loss

of $79 million or $0.34 per share a year ago.